. Comparative zoology, structural and systematic : for use in schools and colleges. Zoology; Anatomy, Comparative; Physiology, Comparative. VERTEBRATA. 355 into webbed paddles for swimming, the hinder ones being bound in with the skin of the tail. Such are the Seals, Walrus, and Eared Seals, or Sea-lions, h. Plantigrades, in which the whole, or nearly the whole, of the hind-foot forms a sole, and rests on the ground. The claws are not retractile; the ears are small, and tail short. Bears, Bad- gers, and Raccoons are well-known examples, c. Digiti- grades keep the heel raised above the ground,
. Comparative zoology, structural and systematic : for use in schools and colleges. Zoology; Anatomy, Comparative; Physiology, Comparative. VERTEBRATA. 355 into webbed paddles for swimming, the hinder ones being bound in with the skin of the tail. Such are the Seals, Walrus, and Eared Seals, or Sea-lions, h. Plantigrades, in which the whole, or nearly the whole, of the hind-foot forms a sole, and rests on the ground. The claws are not retractile; the ears are small, and tail short. Bears, Bad- gers, and Raccoons are well-known examples, c. Digiti- grades keep the heel raised above the ground, walking on the toes. The majority have long tails. Such are the Weasels, Otters, Civets, Hyenas, Foxes, Jackals, Wolves, Dogs, Cats, Panthers, Leopards, Tigers, and Lions. The. Fig. 350.—Southern Sea-lion (Otaria jubata). Antarctic Ocean. last five differ from all others in having retractile claws, and the radius rotating freely on the ulna. The Cats have thirty teeth; the Dogs, forty-two, or twelve more molars. In the former, the tongue is prickly; in the latter, smooth. 12. Prosimii or Lemurs. These singular mammals, sometimes included in the next order, have affinities with Rodents, Insectivora, and Primates. They are covered with soft fur, have usually a long tail, pointed ears, fox- like muzzle, and curved nostrils. They walk on all fours, and the thumb and great toe are generally opposable to the digits. The second toe has a long, pointed claw in-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Orton, James, 1830-1877; Birge, E. A. (Edward Asahel), 1851-1950. New York : Harper & Bros.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1883
